Free browser-based QR tools for 3D printing, Matter setup codes, and batch generation
Free online database schema design tool for ER diagrams and SQL generation
Stage
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
Free tier includes the open-source editor with all SQL dialects, import & export, and local diagram storage. drawDB Pro offers paid plans for Solo Pro and Team Pro with cloud storage, real-time collaboration, AI schema assistant, GitHub integration, and priority support.
Key features
QR Code to STL generator for 3D printing
Matter setup QR generation and decoding
Private QR code generator without redirect links
Barcode to STL converter for Code 128, EAN-13, and UPC-A
Crypto payment QR generator for Bitcoin, Ethereum, and Lightning
Browser-side QR payload generation
STL, SVG, and PNG export formats
Physical scanability guidance and print profiles
No account or login required
Entity-relationship diagram editor
SQL generation for PostgreSQL, MySQL, SQLite, MariaDB, SQL Server, and Oracle
DBML import and export
Real-time collaborative database design
Cloud storage and team workspaces
AI-assisted schema design
Schema reverse engineering from existing SQL
Version history and migration generation
Export to SQL, JSON, PNG, JPEG, SVG, and PDF
Keyboard shortcuts and customizable workspace
What makes it different
All QR generation occurs in the browser with no server-side processing or data collection
Specialized tools for physical QR code outputs like 3D prints and Matter device setup
Practical print profiles and scanability guidance for different real-world use cases
No redirect service inserted into static QR codes
Built-in validation checks and task-specific guidance for printing and device setup
Free and open source with no account required to start designing
Supports all major SQL dialects in one tool
Self-hostable on your own infrastructure with Docker
Real-time team collaboration with shared cursors and presence
priv QR
drawDB